- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 3/00 - Dredgers; Soil-shifting machines
Patent holdings for IPC class E02F 3/00
Total number of patents in this class: 169
10-year publication summary
|
14
|
20
|
8
|
7
|
8
|
11
|
6
|
7
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Deere & Company | 6845 |
13 |
| Caterpillar Inc. | 8877 |
9 |
| Komatsu Ltd. | 4265 |
9 |
| ESCO Corporation | 56 |
7 |
| ESCO Group LLC | 321 |
7 |
| Kubota Corporation | 3054 |
6 |
| Joy Global Surface Mining Inc | 356 |
6 |
| Magotteaux International S.A. | 119 |
4 |
| Caterpillar Global Mining LLC | 199 |
3 |
| Dredging International N.V. | 25 |
3 |
| J.C. Bamford Excavators Limited | 398 |
3 |
| T & T Engineering Services, Inc. | 26 |
3 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
3 |
| Built Robotics Inc. | 83 |
3 |
| Bradken Resources Pty Limited | 153 |
2 |
| Caterpillar SARL | 441 |
2 |
| The Charles Machine Works, Inc. | 411 |
2 |
| Heavy Metals, Inc. | 2 |
2 |
| Hensley Industries, Inc. | 107 |
2 |
| Liebherr-Hydraulikbagger GmbH | 49 |
2 |
| Other owners | 78 |